Kevin W. Cheney, President/CEO

Kevin Cheney PortraitKevin W. Cheney is a security and crowd management expert with 25 years of experience, including the last 19 years as President/CEO of Green Mtn. Concert Services, Inc. (GMCS). He is a specialist in crowd management, risk assessment, and safety procedure design and execution. He is a leader in the industry and his expertise and consultation is sought after by other leading industry professionals.Mr. Cheney became the Security Director for Phish’s Lemonwheel in 1998 and since has been Security Director or Security Consultant to large-scale events such as, but not limited to: Phish’s multi-day festivals, Gathering of the Vibes, Bonnaroo, ESPN Great Outdoor Games 2000-2002, ESPN Winter X Games 2000-2001, 2007 Fed Cup, Garden of Eden Festival, Lake Champlain Maritime Festival, and many more. Few other security professionals have as much experience and knowledge as Mr. Cheney in providing security to large-scale, multi-day festival style special events. He is at the top of the profession in this area and has an impeccable reputation. This specialized experience provides him with exceptional insight and expert knowledge that makes him an authority in crowd management, risk assessment, and security planning.Whether Mr. Cheney is protecting dignitaries such as President Clinton, Supreme Court Justice John Roberts, and Supreme Court Justice Antonin Scalia, creating a security plan for special event, or running the Red Light Management compound at Bonnaroo, he uses his advanced training, knowledge, and experience to provide added value to his clients. His charisma is infectious and inspires a productive environment. He understands events from many perspectives and is a dynamic asset on any event team.

kevin_posingPrior to a career as a safety professional, Mr. Cheney spent six years in the Vermont Army National Guard as a Combat Medic / Medical specialist in the 3rd Battalion 172nd Infantry Regiment (Mountain Battalion) and completed the Mountain Warfare School summer phase. He uses the discipline and attention to detail he learned from his military training as a guide to each security job – careful planning, precise execution, and thorough “post-op” analysis and reporting.

Mr. Cheney is a dedicated community leader. He serves on the Board of Directors for First Night Burlington, the Hinesburg Recreation Commission, the Hinesburg Development Review Board, and is a founding member on the Advisory Board of White Ribbon Campaign of Vermont. He helped establish the Lake Champlain Maritime Festival to celebrate Lake Champlain and the Burlington Waterfront. As a local business owner he believes in supporting area businesses and uses, almost exclusively, Vermont companies when needing to outsource a project. In addition, he and his wife founded the Green Mountain Autism Foundation to provide support to Vermont families with children on the spectrum.

Other accolades and achievements of Cheney’s include, receiving a national certification from the IAVM’s Academy for Venue Safety & Security (years 1 and 2); attending the IAVM’s International Crowd Management Conference (2002 – present); acting as a Vermont State certified trainer in security and Vermont State certified trainer in temporary traffic control. He has also completed an Executive Protection course offered by R.L. Oatman & Associates in 2002 in Towson, Maryland. He has completed certification in the Sport Event Risk Management Workshop put on by the Department of Homeland Security, and San Diego Police Department Veteran, Robert Smith’s training course in Hospitality Operations Security Techniques (HOST™). He was also awarded the Certificate of Recognition and Appreciation in 2007 from the University of Vermont Department of Police Services.

Robert W. Sinkewicz, CPA, CGMA Chief Financial Officer (CFO)

Robert Sinkewicz PortraitRobert W. Sinkewicz, CPA, CGMA joined GMCS in October 2008. He is a Certified Public Accountant and Chartered Global Management Accountant with 25 years of executive financial management experience across many different industries. Prior to joining GMCS he worked in the aerospace manufacturing sector as a Controller for the Goodrich Corporation. He has also spent time as a financial leader in the healthcare industry with Fletcher Allen Health Care, the State of Vermont – Agency of Health & Human Services, and in the public accounting industry with KPMG and Gallagher Flynn.

Allen H. Ostroy, Chief Operating Officer

Allen Ostroy PortraitAllen H. Ostroy has a Bachelor of Arts with a concentration in Philosophy/Psychology and Creative Writing. Mr. Ostroy is a sales, marketing, and business management professional with over 22 years of experience in the music and event industry. Prior to joining GMCS in 2010, Mr. Ostroy owned Great Bay Entertainment Group, Inc. (GBEG), a full-service entertainment company with a focus on artist development and concert event management. Bands on his roster included Percy Hill, Strangefolk, Moon Boot Lover, Reid Genauer & AOD, RAQ, and The Brew. Additional projects include, but are not limited to, being the creator of Music Biz 101 Workshop which features real world knowledge about the music industry, and also writing a monthly column on the music business for Relix, Inc. He adds a wealth of knowledge, skills, and experience in event services and strategic business development to GMCS. His impressive career consists of high level advertising, talent, and event staffing sales, but its Mr. Ostroy’s entrepreneurial spirit and work ethic that is the driving force behind his significant accomplishments.

Christina Lord, Human Resources Director

Christina Lord PortraitChristina Lord is a Human Resources and Project Management Professional with over 15 years of experience in full life cycle recruitment, training, and professional management. Ms. Lord joined GMCS in 2014 and has already had a significant impact on employee / office communication, employee life cycle procedures, and ensuring the company’s compliance with current state and federal laws. She’s made improvements and clarifications to company policies and procedures and helped leverage new sourcing technologies and social media trends to help GMCS meet corporate recruiting and hiring goals.She is an accomplished singer and represented GMCS at a Lake Monsters game singing the National Anthem. Her tenacity and charisma has had positive influence on company culture, both in the office and in the field.


KJ Magaziner, Security Operations Manager, Mid-Atlantic

KJ Magaziner joined the GMCS team in 2012. A Nationally Certified School Psychologist and Diplomate of Clinical Forensic Counseling she is NJ-SORA, NYS, and CT certified in security. Her formal education and experience in the areas of crowd assessment, crisis intervention, de-escalation, plain clothes/UC operations, and staff development training/quality control in the public/private sectors for the past three decades makes her one of the companies “go-to” experts. She is a valuable leader who ensures quality from each employee and brings out the best in each of her subordinates. Ms. Magaziner can manage staff services for 80,000 capacity venues and has been instrumental in promoting the GMCS mission.

Prior to employment with GMCS she consulted with local, city, state, and federal law enforcement agencies on multiple situations/events. This expertise has been sought after especially post-9/11, when she was trained as a provider in CISM (Critical Incident Stress Management) for victims and first responders through UMBC. She has worked for major event security companies throughout her career and it was her background, coupled with her unique experience/qualifications, which lead to her role as Director of Training/Quality Control for Strike Force Protective Services, Inc. A contributor to Security Management (a publication of ASIS), KJ has worked in a variety of diverse venues (including, but far from limited to: Atlantic City, NJ-Boardwalk Hall, AC Convention Center, Borgata, Taj Mahal, Trump Marina, etc.; The Meadowlands-East Rutherford, NJ; SPAC-Saratoga Performing Arts Center in NYS; Montage Mountain-Scranton, PA; PNC Bank Arts Center- Holmdel, NJ; State Theatre of New Jersey; Theater of Living Arts-Philadelphia, PA; John Harms Theatre, Englewood, NJ, Mountain Jam & Taste of Country-Hunter Mountain, NY; numerous colleges; etc.) in multiple roles (as Event Manager, Operations Manager, Area Manager, Senior Supervisor, Supervisor, Team Leader, Staff), and at an array of events (from Miss America to Ozzfest). She has both the technical classroom knowledge, as well as the boots on the ground experience. Over the years, KJ has worked in most every position that any staffer would ever be assigned and in extreme conditions (weather; length of hours). In addition to working in venues, she has also worked band side for Matchbox Twenty, Rob Thomas, and a number of others.

“Customer service is an integral element of my philosophy; I believe that security is there to maintain a safe environment for the patrons, but to also be part of the overall event by assisting in enhancing their positive experience. The incorporation of diffusion and preventative strategies to avert escalation is the optimal approach. Know your crowd. Assess…Plan…Prevent…Succeed.”

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